Commit 516699a6 authored Oct 19, 2015 by Ram Chandrasekar

power: bcl_peripheral: Update the ADC to vbat conversion formula



Update the ADC value to battery voltage conversion formula
to accommodate the 2 LSB ADC value error. Without this
correction, the existing formula was estimating a lower
battery voltage by 2 LSB ADC value.

CRs-Fixed: 919926
Change-Id: Ibfffbbb8923504c30bdc4032db27f19d0a00e808
Signed-off-by: Ram Chandrasekar <rkumbako@codeaurora.org>

parent 50ab4222

drivers/power/bcl_peripheral.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -212,7 +212,7 @@ static void convert_adc_to_vbat_val(int *val)
		if (!bcl_perph)
		return;
		perph_data = &bcl_perph->param[BCL_PARAM_VOLTAGE];
		val = (val * perph_data->scaling_factor)
		val = ((val + 2) * perph_data->scaling_factor)
		* (100 + (perph_data->gain_factor_num * perph_data->gain)
		* BCL_CONSTANT_NUM / perph_data->gain_factor_den)
		/ 100;